28588860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2323

約数の個数: 72

約数和(自身を含む): 87980256

約数和(自身を除く): 59391396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2237, 2556, 3195, 4260, 4474, 6390, 6711, 8948, 11185, 12780, 13422, 20133, 22370, 26844, 33555, 40266, 44740, 67110, 80532, 100665, 134220, 158827, 201330, 317654, 402660, 476481, 635308, 794135, 952962, 1429443, 1588270, 1905924, 2382405, 2858886, 3176540, 4764810, 5717772, 7147215, 9529620, 14294430, 28588860]

約数ペア:

[(1, 28588860), (2, 14294430), (3, 9529620), (4, 7147215), (5, 5717772), (6, 4764810), (9, 3176540), (10, 2858886), (12, 2382405), (15, 1905924), (18, 1588270), (20, 1429443), (30, 952962), (36, 794135), (45, 635308), (60, 476481), (71, 402660), (90, 317654), (142, 201330), (180, 158827), (213, 134220), (284, 100665), (355, 80532), (426, 67110), (639, 44740), (710, 40266), (852, 33555), (1065, 26844), (1278, 22370), (1420, 20133), (2130, 13422), (2237, 12780), (2556, 11185), (3195, 8948), (4260, 6711), (4474, 6390)]